Evidence row 2205143

Observed 2 Nov 2026, 19:15 UTC, by sync.x402_bazaar/1.

Kind: listing
About: source_record x402_bazaar:https://mr-river5.makar52nn2016.workers.dev/api/uuid
Recorded: 2 Nov 2026, 19:15 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 467a0190b531a1f0313aacf9499ae4d042bb6f89acc61ebc92f17240a2f9a5a4
Leaf: 0x9f2fcc74b5c6ffa679477bae18b0a225c99a26b9cc425c47f5f6ed84b3d0dc6c

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://mr-river5.makar52nn2016.workers.dev/api/uuid"
    ]
  ],
  "name": "mr-river5.makar52nn2016.workers.dev/api/uuid",
  "owner_address": "0xcb7a729840872818568ee97b16bf42108cf810a0",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "asset_symbol": "USDC",
        "description": "Random UUID v4 — idempotency keys and x402 requestKeys on demand; canonical $0.001 target for testing x402 stacks",
        "extensions": {
          "bazaar": {
            "info": {
              "input": {
                "discoverable": true,
                "method": "GET",
                "type": "http"
              },
              "method": "GET",
              "output": {
                "example": {
                  "uuid": "3f7b2c1e-8a4d-4e9f-9c21-0b6d7a5e1f22",
                  "version": "v4"
                },
                "type": "json"
              }
            },
            "schema": {
              "properties": {
                "input": {
                  "properties": {
                    "queryParams": {
                      "properties": {},
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "output": {
                  "properties": {
                    "example": {
                      "uuid": "3f7b2c1e-8a4d-4e9f-9c21-0b6d7a5e1f22",
                      "version": "v4"
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            }
          }
        },
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0xcb7A729840872818568EE97B16bF42108CF810A0",
        "scheme": "exact",
        "x402Version": 2
      }
    ],
    "description": "Random UUID v4 — idempotency keys and x402 requestKeys on demand; canonical $0.001 target for testing x402 stacks",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "type": "http"
          },
          "method": "GET",
          "output": {
            "example": {
              "uuid": "3f7b2c1e-8a4d-4e9f-9c21-0b6d7a5e1f22",
              "version": "v4"
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {},
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "uuid": "3f7b2c1e-8a4d-4e9f-9c21-0b6d7a5e1f22",
                  "version": "v4"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:41:18.239Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:41:17.961Z"
    },
    "resource": "https://mr-river5.makar52nn2016.workers.dev/api/uuid",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Random UUID v4 — idempotency keys and x402 requestKeys on demand; canonical $0.001 target for testing x402 stacks"
}

What the leaf hashes

{"body":"467a0190b531a1f0313aacf9499ae4d042bb6f89acc61ebc92f17240a2f9a5a4","id":2205143,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646948580486,"prev":null,"subject":"x402_bazaar:https://mr-river5.makar52nn2016.workers.dev/api/uuid","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

0x9f2fc10c7e06129690f4c186b6f377f5f1acb993ad7fc5a14f87069aa7e3b7dd
0x2edbd747bad2960901d56b3a2fb8cb0698d7b2439483a2bf44a109481e71067c
0xbb3d76270acec1dc18f76a273c52eff6182adf8b61c68b6988c74e424b505a5b
0x25080b39d0123b83aaa6d1c35c793b48a16fc964c17e9198b88dce84af28d6f7
0x8d675be7efc1720dfade5e00aedfe8a5e9dca0516496d15b85995e5c8c203730
0xd8227ad9ec423387578295155cfdf71c3a821f1f907444337d41dd20a8bed75c
0x7a17cd3e23fe15eb3abc35c4794fcba3341e672caac2e71b0214a2d7c9cc3763
0x9171a030ae594ed2aa59adc1e50af43629993bc2511a3b876391cd2ae8aec49c
0x7eb07390cd9447be5ebc529084828b9b648463e0808402695d923656f59079a5
0x8935c4efd2799732ba97fe7e48cccd31c4e71f0f2cc957834ac9cfe931fdcc2f
0x21ed42ef9d4b969ab9323d61271dc9de4354686276c10894ed97a393503c9e42
0x276e2fa0c21c2220acec5005667f6b7cfa183a8daaf7f317e5077bc4c6e08db0
0x2ff7b1db58554b94f3d17b53c4f892ded109f497ad86eeaa0f83588921b759b1
0xdff61622855886d80ecda4fb808422c854d0801605b73184332cf83604a730ff
0x9c91ecb84461aa4cb2a891252746755d862a88fe9bad822700cdb99eaab2edca
0x7731256c7406f95d30aabe3bbcb574b72535b9c28e8eb3db363210761a28a6b9
0x07ad80c0c234ecea379a2f4450dfd0804db049dbc62abe77af6306049ca6b6c2
0x98cbbf2c68ab4c0b4db782aeb88bea1f30b02178cf8b5d3d24a931d19492ea6d
0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root: 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained: 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published: On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON